Syngenetic

A term used to describe when mineralization in a deposit was formed relative to the host rocks in which it is found. In this case, the mineralization was formed at the same time as the host rocks. (The opposite is epigenetic.)
Found on http://www.libertystaruranium.com/miningexplained/mining-geology-glossary/

syngenetic

Relating to syngenesis. ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

syngenetic

Type: Term Pronunciation: sin′jĕ-net′ik Definitions: 1. Relating to syngenesis.
Found on http://www.medilexicon.com/medicaldictionary.php?t=89094
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